A hot air balloon contains 270.0 L of helium at 24 °C and 845 mm Hg. What will be the volume of the
balloon at -50.0°C and a pressure of 0.735 atm?

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3 -> a2cr(no3)3 + a3ag2so4

Most materials are not magnetic because their magnetism has worn off. their magnetic domains are arranged randomly. they lack magnetic fields. earth’s heat has destroyed their magnetism.

What causes most sediment to wash or fall into a river